Fraternal twins are produced when:

Human Genetics and Eugenics Mcqs
BILAL KHATTAK0

A.two sperms fertilize an ovum and the blastomeres after 1st cleavage separation completely
B.Two ova are fertilized simulataneously by two different sperms
C.One sperm fertilizes an ovum and two blastomeres of 1st cleavages separate completely
D.None of these things happen

Related Mcqs:

  1. Identical twins develop from:
  2. Identical twins are those which are formed by:
  3. Identical twins are born when:
  4. Parthenogenesis is the condition when:
  5. Sex in human beings is deermined by:
  6. How many sperms and ova will be produced from 20 primary spermatocytes and 20 oocytes respectively:
  7. Which of these marks the beginning of diploid phase in our life cycle:
  8. Gray crescent is present in the:
  9. During fertilization two cells fuse, yet blastomeres of the zygote contain the same number of chromosomes as in all cells because:
  10. Which statement is incorrect for cloning??

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